Examples of ptolemy.data.StringToken

ptolemy.data.StringToken
A token that contains a string, or more specifically, a reference to an instance of String. The reference is never null, although it may be an empty string (""). Note that when this token is cloned, the clone will refer to exactly the same String object. However, a String object in Java is immutable, so there is no risk when two tokens refer to the same string that one of the strings will be changed. @author Edward A. Lee, Neil Smyth, Steve Neuendorffer, contributor: Christopher Brooks @version $Id: StringToken.java,v 1.90 2007/12/07 06:31:44 cxh Exp $ @since Ptolemy II 0.2 @Pt.ProposedRating Yellow (cxh) @Pt.AcceptedRating Red (cxh) nil token code


        if (modelString.getWidth() < 1) {
            throw new IllegalActionException(getName() + "need to have"
                    + "the modelString port be connected");
        } else if (modelString.hasToken(0)) {
            StringToken str = null;


            try {
                str = (StringToken) modelString.get(0);


                _parser.reset();


                CompositeActor model = (CompositeActor) _parser.parse(str
                        .stringValue());
                StringWriter writer = new StringWriter();


                try {
                    model.exportMoML(writer, 1);
                } catch (Exception ex) {
                    // FIXME: don't ignore?
                }


                String modelMoML = writer.toString();


                if (((BooleanToken) connectPorts.getToken()).booleanValue()) {
                    _moml = "<group>\n" + modelMoML
                            + "<relation name=\"newR1\" "
                            + "class=\"ptolemy.actor.TypedIORelation\">\n"
                            + "</relation>\n" + "<relation name=\"newR2\" "
                            + "class=\"ptolemy.actor.TypedIORelation\">\n"
                            + "</relation>\n"
                            + "<link port=\"input\" relation=\"newR1\"/>\n"
                            + "<link port=\"" + model.getName()
                            + ".input\" relation=\"newR1\"/>\n"
                            + "<link port=\"" + model.getName()
                            + ".output\" relation=\"newR2\"/>\n"
                            + "<link port=\"output\" relation=\"newR2\"/>\n"
                            + "</group>";
                } else {
                    _moml = "<group>\n" + modelMoML + "</group>";
                }
            } catch (Exception ex) {
                if (_debugging) {
                    _debug("Problem parsing " + str.stringValue());
                }


                throw new IllegalActionException(this, ex, "Problem parsing "
                        + str.stringValue());
            }
        }


        super.fire();
    }

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            //The default director may not work when we need multi tokens to fire
            //the inside model because the receiver it creates is an instance of
            //Mailbox, which can only hold one token. In this case, specify a proper
            //director using the <i>director<i> parameter.
            new Director(this, "defaultDirector");
            director = new Parameter(this, "director", new StringToken(
                    "ptolemy.actor.Director"));
            setClassName("ptolemy.actor.lib.hoc.MobileModel");
        } catch (NameDuplicationException e) {
            // This should not be thrown.
            throw new InternalErrorException(e);

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                    if (_debugging) {
                        _debug("** Transferring parameter as string to output: "
                                + port.getName());
                    }


                    port.send(0, new StringToken(((Settable) attribute)
                            .getExpression()));
                }
            }
        }
    }

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        start = new TypedIOPort(this, "start");
        start.setInput(true);


        // type is undeclared.
        // Annotate DISCRETE, for the benefit of CT.
        new Parameter(start, "signalType", new StringToken("DISCRETE"));


        // stop port.
        stop = new TypedIOPort(this, "stop");
        stop.setInput(true);


        // type is undeclared.
        // Annotate DISCRETE, for the benefit of CT.
        new Parameter(stop, "signalType", new StringToken("DISCRETE"));
    }

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     * @exception IllegalActionException If there was an internal problem.
     */
    public Integrator(CompositeEntity container, String name)
            throws NameDuplicationException, IllegalActionException {
        super(container, name);
        new Parameter(input, "signalType", new StringToken("CONTINUOUS"));


        //        new Parameter(discreteInput, "signalType", new StringToken("DISCRETE"));
        new Parameter(output, "signalType", new StringToken("CONTINUOUS"));
    }

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    public LevelCrossingDetector(CompositeEntity container, String name)
            throws IllegalActionException, NameDuplicationException {
        super(container, name);


        output = new TypedIOPort(this, "output", false, true);
        new Parameter(output, "signalType", new StringToken("DISCRETE"));


        trigger = new TypedIOPort(this, "trigger", true, false);
        trigger.setMultiport(false);
        trigger.setTypeEquals(BaseType.DOUBLE);
        new Parameter(trigger, "signalType", new StringToken("CONTINUOUS"));


        level = new Parameter(this, "level", new DoubleToken(0.0));
        level.setTypeEquals(BaseType.DOUBLE);


        // By default, this director detects both directions of leve crossings.

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     */
    public CTPeriodicSampler(CompositeEntity container, String name)
            throws IllegalActionException, NameDuplicationException {
        super(container, name);
        input.setMultiport(true);
        new Parameter(input, "signalType", new StringToken("CONTINUOUS"));
        output.setMultiport(true);
        new Parameter(output, "signalType", new StringToken("DISCRETE"));
        _samplePeriod = 0.1;
        samplePeriod = new Parameter(this, "samplePeriod", new DoubleToken(
                _samplePeriod));


        _attachText("_iconDescription", "<svg>\n"

View Full Code Here

    public void fire() throws IllegalActionException {
        // Grab the packet before it gets thrown away, since it is not
        // connected to any actors on the inside.
        if (packetIn.getWidth() > 0) {
            if (packetIn.hasToken(0)) {
                StringToken token = (StringToken) packetIn.get(0);


                Director director = getDirector();
                if (director != null) {
                    if (director instanceof PtinyOSDirector) {
                        ((PtinyOSDirector)director).receivePacket(
                                token.stringValue());


                    } else {
                        throw new IllegalActionException(
                                "Local director was not of type "
                                + "PtinyOSDirector");

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            throws IllegalActionException, NameDuplicationException {
        super(container, name);
        input = new TypedIOPort(this, "input", true, false);
        input.setMultiport(false);
        input.setTypeEquals(BaseType.DOUBLE);
        new Parameter(input, "signalType", new StringToken("CONTINUOUS"));


        output = new TypedIOPort(this, "output", false, true);
        output.setMultiport(false);
        output.setTypeEquals(BaseType.BOOLEAN);
        new Parameter(output, "signalType", new StringToken("DISCRETE"));


        _thWidth = 1e-2;
        thresholdWidth = new Parameter(this, "thresholdWidth", new DoubleToken(
                _thWidth));

View Full Code Here

            throws NameDuplicationException, IllegalActionException {
        super(container, name);


        StringToken[] empty = new StringToken[1];
        stateVariableNames = new Parameter(this, "stateVariableNames");
        empty[0] = new StringToken("");
        stateVariableNames.setToken(new ArrayToken(BaseType.STRING, empty));
        initialStates = new Parameter(this, "initialStates");
        initialStates.setTypeEquals(BaseType.DOUBLE_MATRIX);


        setClassName("ptolemy.domains.ct.lib.DifferentialSystem");

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